Which of the following describes the efficiency of real machines?

A. Efficiency is 100%

B. IMA is always larger than the AMA

C. IMA is always smaller than the AMA

D. IMA is equal to the AMA

What is the difference between kinetic and mechanical energy?

A summary of a source is usually A shorter than the original source and in the researcher's words B a series of shorter quotations copied from the original source C longer than the original source and in the researcher's words D a series of long

This is the amount of energy required to change the state of a substance from liquid to gas. it starts with an h 18 characters

Why are sound waves in air characterized as longitudinal?

How did school segregation in the United States cause African American students to feel? A. excluded, which increased their level of motivation in school B. rejected, which enhanced their educational and mental development C.

Determine the magnitude of the effective value of g⃗ at a latitude of 60 ∘ on the earth. assume the earth is a rotating sphere.

What characteristic of a planet determines the acceleration due to gravity on it?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, position velocity, height height, velocity

You are operating a powerboat at night. You see green and white lights on another boat. What should you do?

How does Newton's second law apply to an "Egg Drop" experiment?